s-takaya1027 https://blog.hatena.ne.jp/s-takaya1027/ 何かやってみるブログ https://takayasugiyama.com/ 問題 https://leetcode.com/problems/roman-to-integer/ 解いた # @param {String} s # @return {Integer} def roman_to_int(s) convert_hash = { "I" => 1, "V" => 5, "X" => 10, "L" => 50, "C" => 100, "D" => 500, "M" => 1000 } result = 0 chars = s.chars chars.each_with_index do |char, index| next_index = convert_h… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakayasugiyama.com%2Fentry%2F2022%2F03%2F07%2F000000" title="LeetCode Roman to Integerを解いた - 何かやってみるブログ" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn-ak.f.st-hatena.com/images/fotolife/s/s-takaya1027/20220306/20220306204432.png Hatena Blog https://hatena.blog 2022-03-07 00:00:00 rich https://takayasugiyama.com/entry/2022/03/07/000000 1.0 100%